Fish Passage Site 40601684

Coordinates (dec. deg.): 67.15651°, -150.35831°
Legal Description: F027N013W23
Region: Interior
Road Name: Dalton Highway

Datum: NAD83
Quad Name / ITM: Wiseman A-1
AWC Stream #:
Stream Name: Trent's Trickle

Elevation:

Site Comments: Immediate d/s of EDS10TAP05 site.

Survey Date: Aug 24, 2010

Survey EDS10-DAL24

Observers: Gillian O'Doherty, Ben Histand

Overall Fish Passage Rating: Green

Tidal: No
Backwatered: Yes

Step Pools: No
Construction Year:


Site Observations:

  1. Beaver Activity

Comments: Rip Rap placed throughout pipe. Substrate depths are estimated.

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Corrugated steel) Fish Passage Rating: Green
 
Length(ft): 60.0
Inlet Type: Projecting
Outlet Type: Projecting
Corrugation Depth(in.): 1.0
Corrugation Width(in.): 3.0
Condition Rating(1-5): 4
Approach Angle: 49.0
Sedimentation At Inlet: Yes
Inlet Substrate: Cobble
Outlet Substrate: Cobble
InletOutlet
Width(ft):5.1 5.1
Height(ft):4.4 3.9
Apron Length(ft):0.0 0.0
Water Depth(ft): 1.52
Rustline Height(ft):1.6
Substrate Depth(ft):0.6 1.1
Backwatered?: Yes
Baffles Present:
Embedded?: No
Outfall Height: 0.0
Outfall Type: At Stream Grade
Constriction Ratio:
Culvert Gradient: -0.05%
Max Slope:
Max Slope Length:
 

Comments: Inlet and outlet substrate is small riprap not natural cobble.
  Culvert Observations:
  1. Beaver Activity

Stream Measurements

Stream SubstratesUpstreamDownstream
Dominant:Silt/ClaySilt/Clay
Subdominant:GravelGravel
Stream Slope(deg.):
Stream Flow Stage:Medium

No stream width data available.

Elevations

Locator ID Culvert
Number		 River
Distance (ft)1		 Distance From
Crossing (ft)2		 Relative
Elevation (ft)
Road Elev 105.72
Outlet Invert (on substrate (silt)) 0.00 95.95
D/S Tailcrest or 1st Thalweg 0.00 97.47
U/S Headwater 60.00 97.49
Inlet Culvert Invert 60.00 95.98

Notes:

  1. River distance is measured continuously throughout the survey reach along the thalweg of the stream.
  2. Measured from each end of the crossing along the thalweg of the stream.

Fish Sampling Efforts

Gear Type: Minnow Trap (A) Trap Duration(h): 1.0
Comments: no fish caught or observed: Traps 30' up stream under willows.
 
Gear Type: Minnow Trap (B) Trap Duration(h): 1.0
Comments: downstream 30' under willows, no fish caught or observed

Fish Observations

Species: no fish collected or observed Life History: Not Applicable
Total Fish Observed: 0 Fish Measured: Fork Lengths (mm) Min: Max: Mean:
Collected/Observed by Gear Type: Downstream Minnow Trap (0)  Upstream Minnow Trap (0)  

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